TY - JOUR AU - Krupková, Olga TI - Lepagean 2-forms in higher order Hamiltonian mechanics. I. Regularity JO - Archivum mathematicum PY - 1986 SP - 97 EP - 120 VL - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1986__22_2_a4/ LA - en ID - ARM_1986__22_2_a4 ER -